The Cell Assembly,optical Instrument, cataloged under National Stock Number 1270-00-890-0723, is classified within Federal Supply Class 1270 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Pfg Precision Optics Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 1270-00-890-0723 |
| Primary Part Number | 539D786P1 |
| Item Name | Cell Assembly,optical Instrument |
| FSC / FSG | 1270 / 12 — No Item Name Available |
| Manufacturer | Pfg Precision Optics Inc |
| Status | CANCELLED |
| Screw Thread Series Designator | UNS |
| Thread Pitch Diameters | +4.3487 TO 4.3533 INCHES IN |
| Eccentric Construction | NOT PROVIDED |
| Material Document and Classification | QQ-A-268, T351-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 2024 |
| Optical Element Quantity | 2 |
| Thread Location | EXTERNAL |
| Accessory Components and Quantity | RETAINER,OPTICAL ELEMENT 1 |
| Thread Length | 0.280 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 4 3/8-32 |
| Thread Class | 2A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 1270-00-890-0723 is a Cell Assembly,optical Instrument, manufactured by Pfg Precision Optics Inc, classified under FSC 1270 (No Item Name Available). Status: cancelled.
NSN 1270-00-890-0723 has 3 cross-referenced part numbers: 539D786P1 (Pfg Precision Optics Inc), 1786 (Bausch and Lomb-Ferson Optics), 539D786P1 (Bae Systems Controls Inc.).
There are 11 known substitutes for 1270-00-890-0723: 5930-00-016-7280, 2805-00-326-6562, 5999-00-334-0108 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 539D786P1: Screw Thread Series Designator: UNS; Thread Pitch Diameters: +4.3487 TO 4.3533 INCHES IN; Eccentric Construction: NOT PROVIDED; Material Document and Classification: QQ-A-268, T351-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 1270-00-890-0723 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.